function People(name, gender, age, score) {
    this.name = name;
    this.gender = gender;
    this.age = age;
    this.score = score;
    this.info = function() {
        console.log("姓名: %s, 性别: %s, 年龄: %d, 分数: %.2f", this.name, this.gender, this.age, this.score);
    };
}

// exports.People = People;
module.exports = People;